html, body{
  height: 100%;
  padding: 0;
  margin: 0;
}
body {
  position: relative;
  height: auto;
  min-height: 100%;
  box-sizing: border-box;
  padding-bottom: 100px;
}
.yw-1 .yw-2{
  width: 100%;
  height: 100px;
  position: absolute;
  bottom: 0;
  background-color:#2d2d2d;
}
.yw-1 .yw-2 a{
  text-decoration:none
}

.zdy-dh{
  padding-left: 70px;
} 
.hzgy-pic-2{
  padding-left:50px ;
}
.hzgy-pic-1{
  padding-right: 300px;
}
.hzgy-pic-3{
  padding-right: 300px;
}
.hzgy-pic-4{
  padding-right: 300px;
}
